Home / 424,949.09-637,275.10-125,350.14

Finding the Fourth Proportional to 424,949.09, 637,275.10 and 125,350.14

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Solution

The fourth proportional to 424,949.09, 637,275.10 and 125,350.14 is: 187,981.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,949.09 : 637,275.10 = 125,350.14 : x
  2. Step 2: Convert to fraction form
    424,949.09/637,275.10 = 125,350.14/x
  3. Step 3: Cross multiply
    424,949.09x = 637,275.10 × 125,350.14
  4. Step 4: Simplify right side
    424,949.09x = 79,882,523,003.51
  5. Step 5: Solve for x
    x = 79,882,523,003.51/424,949.09
  6. Step 6: Final answer
    x = 187,981.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.